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Finding the Fourth Proportional to 468,416.36, 646,414.04 and 253,556.36

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Solution

The fourth proportional to 468,416.36, 646,414.04 and 253,556.36 is: 349,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,416.36 : 646,414.04 = 253,556.36 : x
  2. Step 2: Convert to fraction form
    468,416.36/646,414.04 = 253,556.36/x
  3. Step 3: Cross multiply
    468,416.36x = 646,414.04 × 253,556.36
  4. Step 4: Simplify right side
    468,416.36x = 163,902,386,535.44
  5. Step 5: Solve for x
    x = 163,902,386,535.44/468,416.36
  6. Step 6: Final answer
    x = 349,907.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.